package com16listener;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(name = "one16Servlet")
public class one16Servlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        System.out.println("one16");
        ServletContext servletContext=request.getServletContext();
        servletContext.setAttribute("key2","lalaal");
        servletContext.setAttribute("key2","李文丰");
        servletContext.removeAttribute("key2");
    }
}
